/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.streaming.api.graph.util;

import org.apache.flink.annotation.Internal;
import org.apache.flink.streaming.api.graph.StreamEdge;
import org.apache.flink.streaming.runtime.partitioner.BroadcastPartitioner;
import org.apache.flink.streaming.runtime.partitioner.ForwardForConsecutiveHashPartitioner;

/** Helper class that provides read-only StreamEdge. */
@Internal
public class ImmutableStreamEdge {
    private final StreamEdge streamEdge;

    public ImmutableStreamEdge(StreamEdge streamEdge) {
        this.streamEdge = streamEdge;
    }

    public int getTypeNumber() {
        return streamEdge.getTypeNumber();
    }

    public int getTargetId() {
        return streamEdge.getTargetId();
    }

    public int getSourceId() {
        return streamEdge.getSourceId();
    }

    public String getEdgeId() {
        return streamEdge.getEdgeId();
    }

    public boolean isForwardForConsecutiveHashEdge() {
        return streamEdge.getPartitioner() instanceof ForwardForConsecutiveHashPartitioner;
    }

    public boolean isIntraInputKeyCorrelated() {
        return streamEdge.isIntraInputKeyCorrelated();
    }

    public boolean isBroadcastEdge() {
        return streamEdge.getPartitioner() instanceof BroadcastPartitioner;
    }
}
